Dayco 72987 Radiator Coolant Hose - Lower

Curved Radiator Hose for Acura TL

Dayco 72987 is a curved radiator coolant hose built for lower cooling-system routing on select Acura TL models. Made from EPDM and finished in black, it follows the OE-style shape needed for a secure coolant connection in the engine bay.

Compatible with 2009-2014 Acura TL, lower, this Dayco curved radiator hose supports direct replacement service for vehicles using the specified lower hose layout. The hose type is a single I.D. hose with 1 3/16-inch inside diameter at both ends and 1 9/16-inch outside diameter at both ends.

Key Features

• Dayco curved radiator hose, part number 72987
• EPDM construction for coolant-system use
• Black finish for a clean OE-style appearance
• Single I.D. hose design
• End 1 and End 2 inside diameter: 1 3/16 in.
• End 1 and End 2 outside diameter: 1 9/16 in.
• Built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications

Product Details

Dayco Curved Radiator Hose 72987 is engineered for lower radiator hose service on the 2009-2014 Acura TL. The curved profile helps match the factory hose path, while the EPDM rubber construction is suited for coolant exposure and underhood temperature changes. This part number, 72987, is a direct-fit style replacement for the listed Acura TL application and is identified as a lower curved radiator hose.

Dayco’s curved radiator hose line focuses on replacement hoses shaped to follow vehicle-specific routing, helping maintain proper coolant flow path and fitment in the cooling system. For buyers searching for a 2009 Acura TL lower radiator hose, 2014 Acura TL curved coolant hose, or Dayco 72987 radiator hose, this part matches the confirmed application data provided.

Common Cooling Issues It Can Address

• Cracked or split lower radiator hose
• Coolant leaks at the hose connection points
• Softening or swelling from age and heat cycling
• Improper hose routing from a worn or misshaped hose
• Cooling-system service on a 2009-2014 Acura TL

Installation Notes and Tips

Verify the hose routing, end diameters, and lower-position layout before installation. Inspect the mating necks, clamps, and surrounding cooling components for wear or corrosion, and replace any damaged sealing surfaces before filling the system. After installation, refill and bleed the cooling system according to the vehicle service procedure and check for leaks at operating temperature.

Quality Assurance

This hose is manufactured to SAE J20R4 Class D-1 and SAE J1684 Type EC standards, supporting material and performance requirements for radiator hose service. It is specified for the confirmed 2009-2014 Acura TL lower application and identified by Dayco part number 72987.